Boxers or briefs: Study finally settles whether a man’s underwear really affects his fertility — Live Feedhttps://www.live-feeds.com/feed/boxers-or-briefs-study-finally-settles-whether-a-man-s-underwear-really-affects-his-fertilityContinuously updated, source-cited coverage. Large study finds no link between underwear type and male fertilityhttps://www.live-feeds.com/feed/boxers-or-briefs-study-finally-settles-whether-a-man-s-underwear-really-affects-his-fertilityhttps://www.live-feeds.com/feed/boxers-or-briefs-study-finally-settles-whether-a-man-s-underwear-really-affects-his-fertility#u195329Thu, 12 Nov 2026 00:15:30 +0000A study of nearly 27,000 men has found no significant difference in sperm quality between those who wear boxers and those who wear briefs. Researchers concluded that underwear choice does not meaningfully affect male fertility outcomes. The analysis, described as the largest of its kind, challenges long-standing advice for men to switch to loose-fitting underwear when trying to conceive.Why it mattersFor decades, medical guidance has suggested that tight underwear raises scrotal temperature and impairs sperm production. This recommendation has been based on smaller studies and physiological th